In the anime

The orbs at the end of Chinchou's antennae glow yellow and it releases an electrical blast from them, or Chinchou's body becomes surrounded in light blue electricity and it releases multiple electrical blasts from it at the opponent.

Plusle's body becomes surrounded in blue electricity and it tackles the opponent, or one of Plusle's hands becomes surrounded by an orb of yellow electricity. Then, the ball fades and Plusle's body glows white or yellow with electricity. Plusle then tackles the opponent. While powered up, Plusle can shoot through the air.

Minun's body becomes surrounded in blue electricity and it tackles the opponent, or one of Minun's hands becomes surrounded by an orb of light blue electricity. Then, the ball fades and Minun's body glows white or light blue with electricity. Minun then tackles the opponent. When powered up, Minun can shoot through the air.